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AT&T Mail
Learn about digital signatures (DKIMs)
Emails you send through Yahoo! or other servers have an AT&T digital signature.
AT&T digital signature (DKIM)
Emails you send through Yahoo!
®
will have
s=s1024
in the DKIM signature.
Messages from any of the following domains will have
d=
in their DKIM:
currently.com
ameritech.net
att.net
bellsouth.net
flash.net
nvbell.net
pacbell.net
prodigy.net
sbcglobal.net
snet.net
swbell.net
wans.net
Last updated: January 18, 2023
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